export default function formatDate(data) { 

    let now = new Date(data);

    var year=now.getFullYear();  //取得4位数的年份

    var month=now.getMonth()+1< 10 ? ('0' +(now.getMonth()+1)):now.getMonth()+1;  

    var date=now.getDate()< 10 ? ('0' +now.getDate()):now.getDate() ;    

    var hour=now.getHours()< 10 ? ('0' +now.getHours()):now.getHours();    

    var minute=now.getMinutes()< 10 ? ('0' +now.getMinutes()):now.getMinutes(); 

    var second=now.getSeconds()< 10 ? ('0' +now.getSeconds()):now.getSeconds(); 

    return year+"-"+month+"-"+date+" "+hour+":"+minute+":"+second; 

    }